A dually symmetric orthomode transducer (OMT) and horn antenna are presented for both single port linearly polarized operation dual circular polarization use. The feed uses two waveguide splitters a bend to four-port that has the groups of ports orthogonal each other produce radiation pattern. is printed from 316L stainless steel while plastic polymer metallized using aluminum tape. structure b...

This paper presents the design and fabrication of a feed horn antenna integrated fix-tuned 380GHz sub-harmonically pumped mixer, based on planar GaAs air-bridged Schottky anti-parallel diode from Rutherford Appleton Laboratory. The diode was designed and fabricated by millimeter technology group, Rutherford Appleton Laboratory, UK. The mixer’s circuit configuration and cavity block are realized...

The aim of this work is to present a vector network analyzer based channel sounding system capable of performing measurements in the range from 2 to 50 GHz. Further, this paper describes an indoor measurement campaign performed at 26–30 GHz. The sounding system is capable of receiving two channels and transmitting one. Using this feature a channel measurement has been performed using both a dir...

This communication presents an H-plane substrate integrated waveguide (SIW) horn antenna whose directivity is enhanced using holey unit cells along the flaring. By wisely drilling antenna, it possible to reduce phase error in aperture which a common problem antennas if optimum dimensions are not used. An analysis of distribution has been carried out achieve desired equivalent refractive indices...